Latest from William Gurstelle


Building an Ornithopter

Building an Ornithopter

01/09/2014

Can humans fly by flapping? Nope. But they can build a small, rubber band-powered ornithopter whose motion is similar to...

Sir George Cayley and the Glider

Sir George Cayley and the Glider

01/06/2014

Build the simple plane that defined modern aircraft — 100 years before the Wright brothers. Another fun and fascinating project...

Ctesibius and the Tantalus Cup

Ctesibius and the Tantalus Cup

10/05/2013

Decipher the siphon and build a high-class practical joke, with this ancient prank from Bill Gurstelle's "Remaking History" column.

The Sublimator Dry Ice Cannon

The Sublimator Dry Ice Cannon

09/11/2013

Here's how to build a blaster that unleashes carbon dioxide gas to launch T-shirts and other projectiles. CAUTION: Build at...

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